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<title>OpenCV: cv::text::OCRBeamSearchDecoder Class Reference</title>
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<li class="navelem"><a class="el" href="../../d2/d75/namespacecv.html">cv</a></li><li class="navelem"><a class="el" href="../../d8/de7/namespacecv_1_1text.html">text</a></li><li class="navelem"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html">OCRBeamSearchDecoder</a></li>  </ul>
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<a href="#nested-classes">Classes</a> |
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<div class="title">cv::text::OCRBeamSearchDecoder Class Reference</div>  </div>
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<p><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class provides an interface for OCR using Beam Search algorithm.  
 <a href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#details">More...</a></p>
<p><code>#include &lt;opencv2/text/ocr.hpp&gt;</code></p>
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Inheritance diagram for cv::text::OCRBeamSearchDecoder:</div>
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  <img alt="" src="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.png" usemap="#cv::text::OCRBeamSearchDecoder_map"/>
  <map id="cv::text::OCRBeamSearchDecoder_map" name="cv::text::OCRBeamSearchDecoder_map">
<area alt="cv::text::BaseOCR" coords="0,0,205,24" href="../../de/d3a/classcv_1_1text_1_1BaseOCR.html" shape="rect"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td align="right" class="memItemLeft" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html">ClassifierCallback</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Callback with the character classifier is made a class.  <a href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ad029e85a6d22726a475a76c5cb778b05"><td align="right" class="memItemLeft" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#ad029e85a6d22726a475a76c5cb778b05">run</a> (<a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp;image, std::string &amp;output_text, std::vector&lt; <a class="el" href="../../dc/d84/group__core__basic.html#ga11d95de507098e90bad732b9345402e8">Rect</a> &gt; *component_rects=NULL, std::vector&lt; std::string &gt; *component_texts=NULL, std::vector&lt; float &gt; *component_confidences=NULL, int component_level=0) <a class="el" href="../../db/de0/group__core__utils.html#ga4d89d63e402ef9ddc48e18e21180fe4a">CV_OVERRIDE</a></td></tr>
<tr class="memdesc:ad029e85a6d22726a475a76c5cb778b05"><td class="mdescLeft"> </td><td class="mdescRight">Recognize text using Beam Search.  <a href="#ad029e85a6d22726a475a76c5cb778b05">More...</a><br/></td></tr>
<tr class="separator:ad029e85a6d22726a475a76c5cb778b05"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1393d97ac9fab46d5b74369dc21c4370"><td align="right" class="memItemLeft" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a1393d97ac9fab46d5b74369dc21c4370">run</a> (<a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp;image, <a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp;mask, std::string &amp;output_text, std::vector&lt; <a class="el" href="../../dc/d84/group__core__basic.html#ga11d95de507098e90bad732b9345402e8">Rect</a> &gt; *component_rects=NULL, std::vector&lt; std::string &gt; *component_texts=NULL, std::vector&lt; float &gt; *component_confidences=NULL, int component_level=0) <a class="el" href="../../db/de0/group__core__utils.html#ga4d89d63e402ef9ddc48e18e21180fe4a">CV_OVERRIDE</a></td></tr>
<tr class="separator:a1393d97ac9fab46d5b74369dc21c4370"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4efae35246e4df8d28ddd9f51ab0ecfb"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a4efae35246e4df8d28ddd9f51ab0ecfb">run</a> (<a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> image, int min_confidence, int component_level=0)</td></tr>
<tr class="separator:a4efae35246e4df8d28ddd9f51ab0ecfb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8107fa523397a2432a0adb7d821ef8a1"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a8107fa523397a2432a0adb7d821ef8a1">run</a> (<a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> image, <a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> mask, int min_confidence, int component_level=0)</td></tr>
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<tr class="inherit_header pub_methods_classcv_1_1text_1_1BaseOCR"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classcv_1_1text_1_1BaseOCR')"><img alt="-" src="../../closed.png"/> Public Member Functions inherited from <a class="el" href="../../de/d3a/classcv_1_1text_1_1BaseOCR.html">cv::text::BaseOCR</a></td></tr>
<tr class="memitem:ad25cbcdcb08369e7268dfc5f3f460a31 inherit pub_methods_classcv_1_1text_1_1BaseOCR"><td align="right" class="memItemLeft" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d3a/classcv_1_1text_1_1BaseOCR.html#ad25cbcdcb08369e7268dfc5f3f460a31">~BaseOCR</a> ()</td></tr>
<tr class="separator:ad25cbcdcb08369e7268dfc5f3f460a31 inherit pub_methods_classcv_1_1text_1_1BaseOCR"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:aa400430635bde80628614bf9095a1f2c"><td align="right" class="memItemLeft" valign="top">static <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt; <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html">OCRBeamSearchDecoder</a> &gt; </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#aa400430635bde80628614bf9095a1f2c">create</a> (const <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt; <a class="el" href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html">OCRBeamSearchDecoder::ClassifierCallback</a> &gt; <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a295c34db17493346647f9e5239ada069">classifier</a>, const std::string &amp;<a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a13e4d550f8fd132008b511ed8ec23a02">vocabulary</a>, <a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> transition_probabilities_table, <a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> emission_probabilities_table, <a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">text::decoder_mode</a> <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#af346c7c2d406ca2e05dcea11dcf39f24">mode</a>=<a class="el" href="../../d8/df2/group__text__recognize.html#ggac013d7b1a6a1b7d739b89474c20ec086a9d8baffabe0834b3eacaf2e32a5c7fdd">OCR_DECODER_VITERBI</a>, int <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a52473716b988e9588ccbeba03c7cb41e">beam_size</a>=500)</td></tr>
<tr class="memdesc:aa400430635bde80628614bf9095a1f2c"><td class="mdescLeft"> </td><td class="mdescRight">Creates an instance of the <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class. Initializes HMMDecoder.  <a href="#aa400430635bde80628614bf9095a1f2c">More...</a><br/></td></tr>
<tr class="separator:aa400430635bde80628614bf9095a1f2c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae267403bae90195c1e393f2c629c025e"><td align="right" class="memItemLeft" valign="top">static <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt; <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html">OCRBeamSearchDecoder</a> &gt; </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#ae267403bae90195c1e393f2c629c025e">create</a> (const <a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> &amp;filename, const <a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> &amp;<a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a13e4d550f8fd132008b511ed8ec23a02">vocabulary</a>, <a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> transition_probabilities_table, <a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> emission_probabilities_table, <a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">text::decoder_mode</a> <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#af346c7c2d406ca2e05dcea11dcf39f24">mode</a>=<a class="el" href="../../d8/df2/group__text__recognize.html#ggac013d7b1a6a1b7d739b89474c20ec086a9d8baffabe0834b3eacaf2e32a5c7fdd">OCR_DECODER_VITERBI</a>, int <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a52473716b988e9588ccbeba03c7cb41e">beam_size</a>=500)</td></tr>
<tr class="memdesc:ae267403bae90195c1e393f2c629c025e"><td class="mdescLeft"> </td><td class="mdescRight">Creates an instance of the <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class. Initializes HMMDecoder from the specified path.  <a href="#ae267403bae90195c1e393f2c629c025e">More...</a><br/></td></tr>
<tr class="separator:ae267403bae90195c1e393f2c629c025e"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:a52473716b988e9588ccbeba03c7cb41e"><td align="right" class="memItemLeft" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a52473716b988e9588ccbeba03c7cb41e">beam_size</a></td></tr>
<tr class="separator:a52473716b988e9588ccbeba03c7cb41e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a295c34db17493346647f9e5239ada069"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt; <a class="el" href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html">OCRBeamSearchDecoder::ClassifierCallback</a> &gt; </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a295c34db17493346647f9e5239ada069">classifier</a></td></tr>
<tr class="separator:a295c34db17493346647f9e5239ada069"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9bd0273e8426024953f910cb6bb730be"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a9bd0273e8426024953f910cb6bb730be">emission_p</a></td></tr>
<tr class="separator:a9bd0273e8426024953f910cb6bb730be"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af346c7c2d406ca2e05dcea11dcf39f24"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">decoder_mode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#af346c7c2d406ca2e05dcea11dcf39f24">mode</a></td></tr>
<tr class="separator:af346c7c2d406ca2e05dcea11dcf39f24"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a00092fab778d395ac88830ece8639485"><td align="right" class="memItemLeft" valign="top"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a00092fab778d395ac88830ece8639485">transition_p</a></td></tr>
<tr class="separator:a00092fab778d395ac88830ece8639485"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a13e4d550f8fd132008b511ed8ec23a02"><td align="right" class="memItemLeft" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html#a13e4d550f8fd132008b511ed8ec23a02">vocabulary</a></td></tr>
<tr class="separator:a13e4d550f8fd132008b511ed8ec23a02"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a id="details" name="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class provides an interface for OCR using Beam Search algorithm. </p>
<dl class="section note"><dt>Note</dt><dd><ul>
<li>(C++) An example on using <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> recognition combined with scene text detection can be found at the demo sample: <a href="https://github.com/opencv/opencv_contrib/blob/master/modules/text/samples/word_recognition.cpp">https://github.com/opencv/opencv_contrib/blob/master/modules/text/samples/word_recognition.cpp</a> </li>
</ul>
</dd></dl>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="aa400430635bde80628614bf9095a1f2c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa400430635bde80628614bf9095a1f2c">◆ </a></span>create() <span class="overload">[1/2]</span></h2>
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      <table class="memname">
        <tr>
          <td class="memname">static <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt;<a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html">OCRBeamSearchDecoder</a>&gt; cv::text::OCRBeamSearchDecoder::create </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt; <a class="el" href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html">OCRBeamSearchDecoder::ClassifierCallback</a> &gt; </td>
          <td class="paramname"><em>classifier</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const std::string &amp; </td>
          <td class="paramname"><em>vocabulary</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>transition_probabilities_table</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>emission_probabilities_table</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">text::decoder_mode</a> </td>
          <td class="paramname"><em>mode</em> = <code><a class="el" href="../../d8/df2/group__text__recognize.html#ggac013d7b1a6a1b7d739b89474c20ec086a9d8baffabe0834b3eacaf2e32a5c7fdd">OCR_DECODER_VITERBI</a></code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>beam_size</em> = <code>500</code> </td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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</table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text.OCRBeamSearchDecoder_create(</td><td class="paramname">classifier, vocabulary, transition_probabilities_table, emission_probabilities_table[, mode[, beam_size]]</td><td>)</td></tr></table>
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<p>Creates an instance of the <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class. Initializes HMMDecoder. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">classifier</td><td>The character classifier with built in feature extractor.</td></tr>
    <tr><td class="paramname">vocabulary</td><td>The language vocabulary (chars when ASCII English text). <a class="el" href="../../df/d5b/namespacecv_1_1gapi_1_1streaming.html#a0a915e69f4cc8284293e40fc9ffbf157" title="Gets dimensions from Mat. ">vocabulary.size()</a> must be equal to the number of classes of the classifier.</td></tr>
    <tr><td class="paramname">transition_probabilities_table</td><td>Table with transition probabilities between character pairs. cols == rows == <a class="el" href="../../df/d5b/namespacecv_1_1gapi_1_1streaming.html#a0a915e69f4cc8284293e40fc9ffbf157" title="Gets dimensions from Mat. ">vocabulary.size()</a>.</td></tr>
    <tr><td class="paramname">emission_probabilities_table</td><td>Table with observation emission probabilities. cols == rows == <a class="el" href="../../df/d5b/namespacecv_1_1gapi_1_1streaming.html#a0a915e69f4cc8284293e40fc9ffbf157" title="Gets dimensions from Mat. ">vocabulary.size()</a>.</td></tr>
    <tr><td class="paramname">mode</td><td>HMM Decoding algorithm. Only OCR_DECODER_VITERBI is available for the moment (<a href="http://en.wikipedia.org/wiki/Viterbi_algorithm">http://en.wikipedia.org/wiki/Viterbi_algorithm</a>).</td></tr>
    <tr><td class="paramname">beam_size</td><td>Size of the beam in Beam Search algorithm. </td></tr>
  </table>
  </dd>
</dl>
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          <td class="memname">static <a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt;<a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html">OCRBeamSearchDecoder</a>&gt; cv::text::OCRBeamSearchDecoder::create </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> &amp; </td>
          <td class="paramname"><em>filename</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> &amp; </td>
          <td class="paramname"><em>vocabulary</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>transition_probabilities_table</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>emission_probabilities_table</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">text::decoder_mode</a> </td>
          <td class="paramname"><em>mode</em> = <code><a class="el" href="../../d8/df2/group__text__recognize.html#ggac013d7b1a6a1b7d739b89474c20ec086a9d8baffabe0834b3eacaf2e32a5c7fdd">OCR_DECODER_VITERBI</a></code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>beam_size</em> = <code>500</code> </td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<span class="mlabels"><span class="mlabel">static</span></span>  </td>
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</table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text.OCRBeamSearchDecoder_create(</td><td class="paramname">classifier, vocabulary, transition_probabilities_table, emission_probabilities_table[, mode[, beam_size]]</td><td>)</td></tr></table>
</div><div class="memdoc">
<p>Creates an instance of the <a class="el" href="../../da/d07/classcv_1_1text_1_1OCRBeamSearchDecoder.html" title="OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. ">OCRBeamSearchDecoder</a> class. Initializes HMMDecoder from the specified path. </p>
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
</div>
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          <td class="memname">virtual void cv::text::OCRBeamSearchDecoder::run </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp; </td>
          <td class="paramname"><em>image</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::string &amp; </td>
          <td class="paramname"><em>output_text</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; <a class="el" href="../../dc/d84/group__core__basic.html#ga11d95de507098e90bad732b9345402e8">Rect</a> &gt; * </td>
          <td class="paramname"><em>component_rects</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; std::string &gt; * </td>
          <td class="paramname"><em>component_texts</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; float &gt; * </td>
          <td class="paramname"><em>component_confidences</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>component_level</em> = <code>0</code> </td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
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</table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, min_confidence[, component_level]</td><td>)</td></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, mask, min_confidence[, component_level]</td><td>)</td></tr></table>
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<p>Recognize text using Beam Search. </p>
<p>Takes image on input and returns recognized text in the output_text parameter. Optionally provides also the Rects for individual text elements found (e.g. words), and the list of those text elements with their confidence values.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">image</td><td>Input binary image CV_8UC1 with a single text line (or word).</td></tr>
    <tr><td class="paramname">output_text</td><td>Output text. Most likely character sequence found by the HMM decoder.</td></tr>
    <tr><td class="paramname">component_rects</td><td>If provided the method will output a list of Rects for the individual text elements found (e.g. words).</td></tr>
    <tr><td class="paramname">component_texts</td><td>If provided the method will output a list of text strings for the recognition of individual text elements found (e.g. words).</td></tr>
    <tr><td class="paramname">component_confidences</td><td>If provided the method will output a list of confidence values for the recognition of individual text elements found (e.g. words).</td></tr>
    <tr><td class="paramname">component_level</td><td>Only OCR_LEVEL_WORD is supported. </td></tr>
  </table>
  </dd>
</dl>
<p>Implements <a class="el" href="../../de/d3a/classcv_1_1text_1_1BaseOCR.html#a5c67898881a8d309eb805811e574f9c5">cv::text::BaseOCR</a>.</p>
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          <td class="memname">virtual void cv::text::OCRBeamSearchDecoder::run </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp; </td>
          <td class="paramname"><em>image</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> &amp; </td>
          <td class="paramname"><em>mask</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::string &amp; </td>
          <td class="paramname"><em>output_text</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; <a class="el" href="../../dc/d84/group__core__basic.html#ga11d95de507098e90bad732b9345402e8">Rect</a> &gt; * </td>
          <td class="paramname"><em>component_rects</em> = <code>NULL</code>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; std::string &gt; * </td>
          <td class="paramname"><em>component_texts</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::vector&lt; float &gt; * </td>
          <td class="paramname"><em>component_confidences</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>component_level</em> = <code>0</code> </td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<span class="mlabels"><span class="mlabel">virtual</span></span>  </td>
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</table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, min_confidence[, component_level]</td><td>)</td></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, mask, min_confidence[, component_level]</td><td>)</td></tr></table>
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<p>Implements <a class="el" href="../../de/d3a/classcv_1_1text_1_1BaseOCR.html#acffec5372da8bb875e5d04acc8c5410a">cv::text::BaseOCR</a>.</p>
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          <td class="memname"><a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> cv::text::OCRBeamSearchDecoder::run </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>image</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>min_confidence</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>component_level</em> = <code>0</code> </td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, min_confidence[, component_level]</td><td>)</td></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, mask, min_confidence[, component_level]</td><td>)</td></tr></table>
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          <td class="memname"><a class="el" href="../../dc/d84/group__core__basic.html#ga1f6634802eeadfd7245bc75cf3e216c2">String</a> cv::text::OCRBeamSearchDecoder::run </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>image</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga353a9de602fe76c709e12074a6f362ba">InputArray</a> </td>
          <td class="paramname"><em>mask</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>min_confidence</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int </td>
          <td class="paramname"><em>component_level</em> = <code>0</code> </td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table><table class="python_language"><tr><th colspan="999" style="text-align:left">Python:</th></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, min_confidence[, component_level]</td><td>)</td></tr><tr><td style="width: 20px;"></td><td>retval</td><td>=</td><td>cv.text_OCRBeamSearchDecoder.run(</td><td class="paramname">image, mask, min_confidence[, component_level]</td><td>)</td></tr></table>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a52473716b988e9588ccbeba03c7cb41e">◆ </a></span>beam_size</h2>
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          <td class="memname">int cv::text::OCRBeamSearchDecoder::beam_size</td>
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          <td class="memname"><a class="el" href="../../dc/d84/group__core__basic.html#ga6395ca871a678020c4a31fadf7e8cc63">Ptr</a>&lt;<a class="el" href="../../de/d2d/classcv_1_1text_1_1OCRBeamSearchDecoder_1_1ClassifierCallback.html">OCRBeamSearchDecoder::ClassifierCallback</a>&gt; cv::text::OCRBeamSearchDecoder::classifier</td>
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          <td class="memname"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> cv::text::OCRBeamSearchDecoder::emission_p</td>
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<h2 class="memtitle"><span class="permalink"><a href="#af346c7c2d406ca2e05dcea11dcf39f24">◆ </a></span>mode</h2>
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          <td class="memname"><a class="el" href="../../d8/df2/group__text__recognize.html#gac013d7b1a6a1b7d739b89474c20ec086">decoder_mode</a> cv::text::OCRBeamSearchDecoder::mode</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a00092fab778d395ac88830ece8639485">◆ </a></span>transition_p</h2>
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          <td class="memname"><a class="el" href="../../d3/d63/classcv_1_1Mat.html">Mat</a> cv::text::OCRBeamSearchDecoder::transition_p</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a13e4d550f8fd132008b511ed8ec23a02">◆ </a></span>vocabulary</h2>
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          <td class="memname">std::string cv::text::OCRBeamSearchDecoder::vocabulary</td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>opencv2/text/<a class="el" href="../../db/d5e/ocr_8hpp.html">ocr.hpp</a></li>
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